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Fibonacci sequence numbers with recursive in PostgreSQL

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Original file line number	Diff line number	Diff line change
`@@ -1177,6 +1177,18 @@ select max(x), count(x)`
`1177`	`1177`	`from t`
`1178`	`1178`	```
`1179`	`1179`
	`1180`	`+[Fibonacci sequence](https://en.wikipedia.org/wiki/Fibonacci_sequence) numbers with recursive in PostgreSQL`
	`1181`	+```
	`1182`	`+with recursive r(a, b) as (`
	`1183`	`+ select 0::int, 1::int`
	`1184`	`+ union all`
	`1185`	`+ select b, a + b`
	`1186`	`+ from r`
	`1187`	`+ where b < 1000`
	`1188`	`+)`
	`1189`	`+select a from r;`
	`1190`	+```
	`1191`	`+`
`1180`	`1192`	`## Модификация пользовательских данных (DML)`
`1181`	`1193`
`1182`	`1194`	`### Как добавить или обновить записи одним запросом (UPSERT)?`

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